交通无堵塞英语怎么说

"Traffic flow is smooth" 或 "Traffic is flowing smoothly" 表示交通无堵塞。这个短语来自英语中流畅、顺畅的意思，可以用来形容交通顺利、畅通的状态。

例句：

The traffic flow is smooth on the highway this morning. 今天早上高速公路上的交通很畅通。
We were able to get to the airport quickly because the traffic was flowing smoothly. 由于交通畅通，我们很快就到了机场。